August 1, 2025 Calendar Effects
Does the U.S. stock market, as proxied by the S&P 500 Index (SP500) exhibit much variability in intra-month behaviors by calendar month? To investigate, we compare average daily cumulative SP500 returns across calendar months. Using...
July 31, 2025 Strategic Allocation
What happens if we add bitcoin, as proxied by Grayscale Bitcoin Trust ETF (GBTC), to the asset universe for the Simple Asset Class ETF Momentum Strategy (SACEMS), which each month holds the top one (Top...
July 30, 2025 Sentiment Indicators
Is conventional wisdom that aggregate retail investor sentiment is a contrary indicator of future stock market return correct? To investigate, we examine the sentiment expressed by members of the American Association of Individual Investors (AAII)...
July 29, 2025 Size Effect
“Stock Size and Excess Stock Portfolio Growth” finds that an equal-weighted portfolio of the (each day) 1,000 largest U.S. stocks beats its market capitalization-weighted counterpart by about 2% per year. However, the underlying research does...
July 28, 2025 Strategic Allocation
In times of economic uncertainty, traditional safe haven assets (bonds and gold) have often failed. Is there a more robust safe haven approach? In his July 2025 paper entitled “Defense First: A Multi-Asset Tactical Model...
July 25, 2025 Miscellaneous
Below is a weekly summary of our research findings for 7/21/25 through 7/25/25. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to...
July 25, 2025 Fundamental Valuation, Value Premium
Why not select and weight stocks in a growth portfolio using only firm growth fundamentals rather than variables that depend on stock price? In their July 2025 paper entitled “Fundamental Growth”, Robert Arnott, Chris Brightman,...
July 24, 2025 Equity Premium, Strategic Allocation
The value of holdings in passive (capitalization-weighted, index tracking) U.S. equity funds now exceeds that in active U.S. equity funds. In their May 2025 paper entitled “Passive Aggressive: The Risks of Passive Investing Dominance”, Chris...
July 23, 2025 Aesthetic Investments, Equity Premium
Do exchange-traded funds selecting stocks based on environmental, social, and governance characteristics (ESG ETF) typically offer attractive performance? To investigate, we compare performance statistics of eight ESG ETFs, all currently available, to those of simple...
July 22, 2025 Commodity Futures
Do term structures of commodity futures contract series shift in an exploitably predictable way? In their May 2025 paper entitled “Short-Term Basis Reversal”, Alberto Rossi, Yingguang Zhang and Yandi Zhu examine relationships between the return...
July 21, 2025 Buybacks-Secondaries
Is aggregate net U.S. public company stock buyback activity a useful predictor of U.S. stock market return? To investigate, we relate the quarterly FRED Security Repurchase Agreements; Nonfinancial Corporate Business series (buybacks) to quarterly S&P...
July 18, 2025 Miscellaneous
Below is a weekly summary of our research findings for 7/14/25 through 7/18/25. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to...
July 18, 2025 Momentum Investing
Is U.S. equity factor return momentum broader and stronger for a short momentum measurement lookback interval than for a long one? In their July 2025 paper entitled “Revisiting Factor Momentum: A One-month Lag Perspective”, Mikael...
July 17, 2025 Strategic Allocation
The four iShares Core Asset Allocation exchange-traded funds (ETF) offer exposures to U.S. stocks, global stocks and bonds semiannually rebalanced to fixed weights, as follows. iShares Core Conservative Allocation (AOK) – 30% stocks and 70%...
July 15, 2025 Fundamental Valuation
Do S&P 500 earnings growth rates predict S&P 500 Index (SP500) returns? To investigate, we relate actual 12-month SP500 operating earnings growth rate and as-reported earnings growth rate measured quarterly to SP500 quarterly return. We...
July 14, 2025 Fundamental Valuation
To determine whether the stock market is expensive or cheap, some experts use aggregate valuation ratios, either trailing or forward-looking, such as earnings-price ratio (E/P) and dividend yield. Under belief that such ratios are mean-reverting,...
July 11, 2025 Miscellaneous
Below is a weekly summary of our research findings for 7/7/25 through 7/11/25. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to...
July 11, 2025 Investing Expertise
How is the growing use of large language models (LLM) in production of academic papers in finance affecting outputs? In their June 2025 paper entitled “Certainly! Generative AI and its Impact on Academic Writing (in...
July 10, 2025 Volatility Effects
Can investors safely capture the U.S. stock market volatility risk premium (VRP), the tendency of implied volatility to exceed realized volatility. In their June 2025 paper entitled “The Volatility Edge, A Dual Approach For VIX...
July 9, 2025 Equity Options, Investing Expertise, Short Selling, Technical Trading
Do the trading activities of especially informed equity and equity option traders predict stock returns? In the June 2025 revision of their paper entitled “An Information Factor: What Are Skilled Investors Buying and Selling?”, Matthew...
July 8, 2025 Big Ideas
Blockchain is a decentralized, secure digital ledger that automatically records transactions across many computers. Each block of data contains a list of transactions, with blocks linked to form a chain. Cryptography ensures integrity and immutability...
July 7, 2025 Real Estate
A subscriber asked whether behaviors of other asset classes predict those of real estate investment trusts (REIT) as proxied by Vanguard Real Estate Index Fund ETF Shares (VNQ). To investigate, we relate VNQ monthly returns...
July 3, 2025 Miscellaneous
Below is a weekly summary of our research findings for 6/30/25 through 7/3/25. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to...
July 3, 2025 Equity Premium
Do private equity funds beat the public equity market, as implied by allocations of large investors such as university endowments, pension funds and sovereign wealth funds? In his June 2025 paper entitled “Apples and Oranges:...
July 2, 2025 Volatility Effects
Given the body of research on the outperformance of low-risk stocks, should the equity asset pricing community add a low-volatility factor in standard models of stock returns? In their June 2025 paper entitled “Factoring in...